Brown, drain and crumble the ground beefIn a separate bowl, mix the cooked beef with onion & garlic power, salt & pepper to taste, depending on preference for seasonings, then mix that with the egg.Fold a sheet of phyllo dough in half longways to make a long skinny rectangle.Scoop about 2-3 tsps of the ground beef mixture into one corner, then fold up to a triangle.Fold over again to make another triangle, then another, till all the dough is folded overUse water to dampen the edge to seal the doughPlace on a cookie sheet & brush with melted butterBake at 400 for 5 minute, then lower to 325 for an additional 15 minutes until golden brown